Liu, W. J. H. (2011). Traditional herbal medicine research methods: Identification, analysis, bioassay, and pharmaceutical and clinical studies. John Wiley & Sons.

Liu, Willow J. H. Traditional Herbal Medicine Research Methods: Identification, Analysis, Bioassay, and Pharmaceutical and Clinical Studies. Hoboken, N.J.: John Wiley & Sons, 2011.

Liu, Willow J. H. Traditional Herbal Medicine Research Methods: Identification, Analysis, Bioassay, and Pharmaceutical and Clinical Studies. John Wiley & Sons, 2011.